LK50 E Cover1 - support.casio.com

1 E-40 TroubleshootingProblemNo keyboard SoundAny of the following symptoms while us-ing battery power. Dim power supply indicator Instrument does not turn on. Dim, difficult to read display Abnormally low speaker/headphonevolume Distortion of sound output Occasional interruption of sound whenplaying at high volumes Sudden power failure when playing athigh volumes Dimming of the display when playingat high volume Abnormal rhythm pattern and demotune play Dimming of keyboard lights when notessound. Loss of power, sound distortion, or lowvolume when playing from a connectedcomputer or MIDI deviceAuto Accompaniment does not output does not change when keypressure is light stays are lit though no sound is being playing with another MIDI instru-ment, keys or tunings do not record Auto Accompaniment playing General MIDI data with acomputer, playback notes do not matchthose produced when lit keys are on the keyboard produces an un-natural sound when connected to a record chord accompaniment dataon a Cause1.

2 Power supply Power is not turned Volume setting is too The MODE switch is in the CASIOCHORD or FINGERED LOCAL CONTROL is MIDI data has changed the VOLUMEand EXPRESSION settings to battery powerAccompaniment volume is set to response is turned is waiting for play of the correctnote during Step 1 or Step 2 on alert is reminding you that pow-er was left on without any operation be-ing or tuning is set to a value otherthan other than Track 1 is selected as therecording SOUND RANGE SHIFT settingThe computer s MIDI THRU function isturned MIDI OUT is turned Correctly attach the AC adaptor, makesure that batteries poles (+/ ) are fac-ing correctly, and check to make surethat batteries are not Press the POWER button to turn Use the VOLUME slider to increase Normal play is not possible on the ac-companiment keyboard while theMODE switch is set to casio CHORDor FINGERED. Change the MODE switch setting to Turn on LOCAL Adjust both the batteries with a set of new onesor use the AC the ACCOMP VOLUME button to in-crease the the TOUCH RESPONSE button toturn it Press the lit key to continue with Step 1or Step 2 Press the START/STOP button to quitStep 1 or Step 2 any button or keyboard key to restorepower to the TRANSPOSE/TUNE/MIDI buttonto display the applicable setting screens andset both transpose and tuning to the track select buttons to select Track1.

3 (Track 2 is melody track.)Use the TRANSPOSE/TUNE/MIDI buttonto display the SOUND RANGE SHIFT screen and correct the off the MIDI THRU function on thecomputer or turn off LOCAL CONTROLon the on ACCOMP MIDI pagePage E-12 Page E-14 Page E-14 Page E-16 Page E-37 Page E-39 Page E-12 Page E-19 Page E-34 Page E-22 Page E-23 Page E-13 Page E-36 Page E-25 Page E-38 Page E-37 Page E-37474A-E-042A